Trail Running Calendar East of England 2025-2026

The Springfield Striders Easter Monday Trail is a self-navigation trail race taking place on April 21, 2025, as part of the Easter Eggstravaganza Trail Series. The event covers approximately 6 miles and is open to participants aged 16 and over. Limited to 150 entries due to parking constraints, the..

The Thames Ring 250 is an iconic 250+ mile race that takes participants on a challenging loop from Goring along the River Thames into London, then up the Grand Union Canal and down the Oxford Canal back to the Thames. First held in 2009, it is known for its difficulty, with a high DNF rate. Runners..

The Viper 5 Mile Trail Run (Spring edition) is an annual running event designed for participants over 18, featuring a scenic trail route. This self-sufficient race encourages runners to bring their own water and provisions, as well as to prepare for varying weather conditions. The event has a limite..

The Other Run is a unique running event taking place on the same day as the London Marathon, offering participants a choice of distances: 5k, 10k, half marathon, or full marathon. Set at the Suffolk Running Centre in Bury St Edmunds, this event caters to those who may have missed out on the London M..

The Phoenix Striders Summer Series is a running event held at the Langdon Discovery Nature Park, featuring five rounds throughout the summer. Participants aged 12 and older can enjoy a 5k trail run, consisting of two laps of a 2.5k circuit. The series aims to raise funds for the Essex Wildlife Trust..

The Weavers' Way 50km/50mile Ultras is a beginner-friendly ultramarathon event taking place in Norfolk, featuring two routes: a 50km course from Stalham to Cromer and a 50-mile course from Acle to Cromer. Scheduled for May 3, 2025, the event welcomes both runners and walkers, offering a scenic journ..

The Heritage Coast Run is an exciting running event scheduled for May 4, 2025, featuring a mainly off-road course that includes both a 10k and a half marathon option. Participants can also choose a 10k dog run, allowing runners to compete alongside their canine companions. The course offers scenic v..

The Two Castles Trails is a unique trail running event featuring narrative races that guide participants through a circular route around Hedingham and Clare Castles. The marathon and half marathon routes are predominantly off-road, covering diverse terrains, and require runners to follow written ins..

The Galleywood Gallop is a self-navigation trail race organized by Essex Trail Events, taking place on May 7, 2025. The course spans approximately 5 miles and features no river crossings, with participants relying on a written route description provided on the day of the event. This race is not mark..

The Five Rivers Ultra is an ultra-endurance running event taking place along the scenic North Essex and South Suffolk coastline. Participants can choose from three distances: 100 miles, 50 miles, and 50 km, catering to walkers, joggers, and runners. The course features a relatively flat terrain, wit..

The Gaddesden Gallop is an exciting cross-country running event taking place in the picturesque Hertfordshire countryside. Scheduled for May 11, 2025, participants can choose between a 10K or 5K run, with categories for both adults and under-18s. The event also features mini races for children under..

The Halstead & Essex Marathon, established in 1995, is an annual race held in North Essex, attracting participants from across the UK and beyond. Organized by Halstead Road Runners, the event features a scenic course through rolling hills, woods, and farmland on low-traffic roads. It is part of the..

The Taxus Baccata Trahentium is a self-navigation trail race organized by Essex Trail Events, taking place on May 11, 2025. Participants will navigate a scenic route of approximately 7 miles using a written description provided on the day of the event, as there are no course markings or marshals. Th..

The Zig Zag Marathon and Half Marathon takes place at the Suffolk Running Centre in Bury St Edmunds, featuring a scenic and officially measured route. Participants can choose between a full marathon and a half marathon, both designed for runners seeking a Good For Age (GFA) qualification. The event..

The Bluebell 5 is an annual running event organized by Pitsea Running Club in collaboration with the Essex Wildlife Trust, taking place on May 18, 2025. This five-mile off-road race offers participants a scenic journey through the picturesque Little Haven Nature Reserve, featuring vibrant bluebells,..

The Castle Trail, organized by Essex Trail Events, is a self-navigation trail race taking place on May 18, 2025. Participants can choose between two distances: approximately 13.1 miles or 6.2 miles. Runners will receive a written route description on the day of the event, as there are no course mark..

The Galloping Grind 10k Trail Run is an exciting new event set to take place on May 20, 2025. Participants can collect their race numbers in the evening before the run, which features a predominantly anti-clockwise route. As the event occurs at dusk, wearing high-visibility clothing is recommended.L..

The Run Banham Zoo (5k) is an exciting running event set in the scenic grounds of Banham Zoo. Participants will enjoy a unique experience as they run past various animal exhibits, including kangaroos, giraffes, and lemurs. The race is open to runners of all abilities, with two waves available for en..

Farmmageddon is an exciting 100-mile running event organized by Zig Zag Running, taking place over two days at Hyde Hall Farm. Participants will tackle a 5.3k loop course, with a total time limit of 32 hours to complete their chosen distance. The event caters to all abilities, offering various dista..

The Angles Way Ultra is a long-distance trail running event taking place on May 25, 2025, along the scenic Waveney River valley between Thetford and Great Yarmouth. Participants can choose between a 100k ultra starting in Diss and a 50k ultra from Shipmeadow, both concluding in Great Yarmouth. The c..